CN108594189A - Test device, the method for Vehicular radar system - Google Patents
Test device, the method for Vehicular radar system Download PDFInfo
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- CN108594189A CN108594189A CN201810329131.2A CN201810329131A CN108594189A CN 108594189 A CN108594189 A CN 108594189A CN 201810329131 A CN201810329131 A CN 201810329131A CN 108594189 A CN108594189 A CN 108594189A
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- radar system
- vehicular radar
- calibration object
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The invention discloses a kind of test device of Vehicular radar system, methods, wherein the test device includes：Demarcate object；Driving equipment, driving equipment are used to drive calibration object movement according to drive signal；Main control module, main control module is connected with driving equipment, and it is communicated with Vehicular radar system, main control module is used to send drive signal to driving equipment, and obtain the displacement distance of calibration object, and Vehicular radar system is received to demarcating the detection information of object, and the performance of radar system is tested according to displacement distance and detection information.The apparatus according to the invention can easily and efficiently test the performance of radar system.
Description
Technical field
The present invention relates to trailer-mounted radar technical field, more particularly to a kind of test device of Vehicular radar system, Yi Zhongche
Carry the test method of radar system and a kind of non-transitorycomputer readable storage medium.
Background technology
With the development of automotive electronic technology, more and more emerging technologies are applied to automotive field, parking radar has become
For the standard configuration system of most vehicles.Currently, it is most of be the blind area by way of manual testing to parking radar system and
What the accuracy of distance measurement was tested, manual testing is not convenient enough, and testing efficiency is relatively low.
Invention content
The present invention is directed at least solve one of the technical problem in above-mentioned technology to a certain extent.For this purpose, the present invention
One purpose is to propose a kind of test device of Vehicular radar system, can easily and efficiently be carried out to the performance of radar system
Test.
Second object of the present invention is to propose a kind of test method of Vehicular radar system.
Third object of the present invention is to propose a kind of non-transitorycomputer readable storage medium.
In order to achieve the above objectives, a kind of test device for Vehicular radar system that first aspect present invention embodiment proposes,
Including：Demarcate object；Driving equipment, the driving equipment are used to drive the calibration object to move according to drive signal；Main control module,
The main control module is connected with the driving equipment, and is communicated with the Vehicular radar system, and the main control module is used for
The drive signal is sent to the driving equipment, and obtains the displacement distance of the calibration object, and receives the vehicle-mounted thunder
Up to system to the detection information of the calibration object, and according to the displacement distance and the detection information to the radar system
Performance is tested.
The test device of Vehicular radar system according to the ... of the embodiment of the present invention drives calibration object movement by driving equipment,
It is connected with driving equipment by main control module, and is communicated with Vehicular radar system, and driving letter is sent to driving equipment
Number, and the displacement distance of calibration object is obtained, and receive detection information of the Vehicular radar system to calibration object.Thereby, it is possible to sides
Just efficiently the performance of radar system is tested.
In addition, the test device of the Vehicular radar system proposed according to the above embodiment of the present invention can also be with following attached
The technical characteristic added：
Specifically, the performance of the radar system includes accuracy and/or the institute of the Vehicular radar system distance measurement
State the blind area of Vehicular radar system.
Further, the test device of the Vehicular radar system further includes moveable platform, and the calibration object setting exists
On the moveable platform, the driving equipment includes：Stepper motor, the stepper motor are used to be transported according to the drive signal
Turn；Transmission mechanism, the transmission mechanism are used for when the stepper motor operates, and the power of the stepper motor is passed to institute
Moveable platform is stated, with by driving the moveable platform movement to drive the calibration object.
In one embodiment of the invention, main control module is according to described in the acquisition of the frequency and umber of pulse of the drive signal
Demarcate the displacement distance of object.
Further, the driving equipment further includes encoder, and the encoder corresponds to the stepper motor setting, described
Encoder is used to feed back the location information of the stepper motor to the main control module in real time, wherein the main control module is also used
In being adjusted according to the positional information to the drive signal, calibrated with the displacement distance to the calibration object.
In one embodiment of the invention, the test device of the Vehicular radar system further includes：Memory module, it is described
Memory module is for storing the displacement distance and the detection information.
In one embodiment of the invention, the test device of the Vehicular radar system further includes：Alarm module, it is described
Alarm module is used for the test result alert of the performance according to the radar system.
In one embodiment of the invention, the test device of the Vehicular radar system further includes：Operation module, it is described
Main control module is received user instructions by the operation module, and generates the drive signal according to the user instruction.
In one embodiment of the invention, the test device of the Vehicular radar system further includes：Display module, it is described
Working condition of the display module for the test device of the Vehicular radar system is shown.
In order to achieve the above objectives, second aspect of the present invention embodiment proposes a kind of test method of Vehicular radar system,
Include the following steps：Drive signal is sent to driving equipment, to drive calibration object movement by the driving equipment；Described in acquisition
Demarcate the displacement distance of object；Receive detection information of the Vehicular radar system to the calibration object；According to the displacement distance
The performance of the radar system is tested with the detection information.
The test method of Vehicular radar system according to the ... of the embodiment of the present invention sends drive signal, with logical to driving equipment
Device drives of overdriving demarcate object movement, and obtain the displacement distance of calibration object, and receive Vehicular radar system to demarcating object
Detection information.Thereby, it is possible to easily and efficiently test the performance of radar system.
In order to achieve the above objectives, third aspect present invention embodiment proposes a kind of non-transitory computer-readable storage medium
Matter is stored thereon with computer program, wherein realizes that second aspect of the present invention embodiment proposes when the program is executed by processor
Vehicular radar system test method.
Non-transitorycomputer readable storage medium according to the ... of the embodiment of the present invention, by the computer journey for executing its storage
Sequence can easily and efficiently test the performance of radar system.
Description of the drawings
Fig. 1 is the block diagram according to the test device of the Vehicular radar system of the embodiment of the present invention；
Fig. 2 is the block diagram according to the test device of the Vehicular radar system of one embodiment of the invention；
Fig. 3 is the block diagram according to the test device of the Vehicular radar system of another embodiment of the present invention；
Fig. 4 is the structural schematic diagram according to the driving equipment and moveable platform of a specific embodiment of the invention；
Fig. 5 is the block diagram according to the test device of the Vehicular radar system of another embodiment of the invention；
Fig. 6 is the block diagram according to the test device of the Vehicular radar system of further embodiment of the present invention；
Fig. 7 is the flow chart according to the test method of the Vehicular radar system of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below in conjunction with the accompanying drawings come describe the embodiment of the present invention Vehicular radar system test device, method.
Fig. 1 is the block diagram of the test device of the Vehicular radar system of the embodiment of the present invention.
As shown in Figure 1, the test device 1 of the Vehicular radar system of the embodiment of the present invention includes calibration object 10, driving equipment
20, main control module 30.
Wherein, driving equipment 20 is used to drive calibration object movement according to drive signal；Main control module 30 and driving equipment 20
It is connected, and is communicated with Vehicular radar system, main control module 30 is used to send drive signal to driving equipment 20, and obtains mark
The displacement distance of earnest 10, and detection information of the Vehicular radar system to calibration object 10 is received, and according to displacement distance and spy
Measurement information tests the performance of radar system.
In one embodiment of the invention, as shown in Fig. 2, the test device 1 of Vehicular radar system may include showing mould
Block 40, display module 40 can be used for showing the working condition of the test device of Vehicular radar system.
Further, the test device 1 of Vehicular radar system may also include operation module 50, and main control module 30 can pass through behaviour
Make module 50 to receive user instructions, and drive signal can be generated according to user instruction.
In one embodiment of the invention, it can show operation module 50 and display module 40 are integrally disposed for touch-control
Screen.User can input corresponding user instruction by touching display screen.The UART interface of main control module 30 can pass through RS232 serial ports
The user instruction is received, and analyzes it processing, to generate corresponding drive signal, and the real-time response of main control module 30
State can be shown by touching display screen.
In one embodiment of the invention, as shown in figure 3, the test device 1 of Vehicular radar system may include moving
Platform 60, calibration object 10 are arranged on moveable platform 60, and driving equipment 20 may include：Stepper motor M, transmission mechanism 210.
Wherein, stepper motor M according to drive signal for operating, wherein drive signal can be pulse signal.Transmission mechanism
210 for when stepper motor M is operated, moveable platform 60 to be passed to by the power of stepper motor M, with removable by driving
The movement of platform 60 drives calibration object 10.
Specifically, main control module 30 can export the electricity of the stepping in corresponding drive signal to driving equipment 20 by I/O interface
Machine driver is operated with Driving Stepping Motor M.
In one particular embodiment of the present invention, as shown in figure 4, moveable platform 60 and driving equipment 20 may be configured as
One dilly.Stepper motor M can drive moveable platform 60 by driving the transmission gear being arranged on its axis 211 to operate
The driving gear 212 of upper setting being connect with transmission gear 211 operates, to drive the wheel 213 being arranged on moveable platform 60
Rotation drives moveable platform 60 to be moved, so as to drive the calibration object 10 being arranged on moveable platform 60 to move.
Wherein, it can be demarcate bar that the calibration object 10 on moveable platform 60, which is arranged,.In one embodiment of the invention,
Demarcate bar can be PVC (Poly Vinyl Chloride, polyvinyl chloride) material, and the length of demarcate bar can be 1000mm, demarcate bar
Diameter can be 75mm.
In one embodiment of the invention, main control module 30 can be obtained according to the frequency and umber of pulse of drive signal and be demarcated
The displacement distance of object.Specifically, in the case of stepper motor M normal operations, rotating speed, the stepper motor M of stepper motor M stop
The location of rotor depends on the frequency and umber of pulse of drive signal when rotation.When stepper motor driver receives driving letter
Number when, can Driving Stepping Motor M gradually rotated with fixed angle by the rotation direction of setting, i.e., with step angle gradually into
Row rotation.At this point, can the angular displacement of stepper motor M be controlled by the umber of pulse of drive signal, and drive signal can be passed through
The rotating speed of FREQUENCY CONTROL stepper motor M.
There is corresponding relationships at a distance from the calibration movement of object 10 for the angular displacement of stepper motor M.According to drive signal
Umber of pulse, frequency can obtain the angular displacement and rotating speed of stepper motor M respectively, accordingly, the movement of calibration object 10 can be obtained
Distance.
In one embodiment of the invention, as shown in figure 5, driving equipment 20 further includes encoder 220, encoder 220
Corresponding stepper motor M settings, location information of the encoder 220 for feeding back stepper motor M to main control module 30 in real time, wherein
Main control module 30 is additionally operable to be adjusted drive signal according to the location information of stepper motor M, with the movement to demarcating object 10
Distance is calibrated.When stepper motor M is operated according to certain frequency and the drive signal of umber of pulse, and calibration object 10 is driven to move
When a certain distance, encoder 220 can obtain the angular displacement of stepper motor M in real time, to obtain the rotor position of stepper motor M
It sets, and is translated into electric signal, with Real-time Feedback to main control module 30.
When phenomena such as losing step occurs in stepper motor M, pass through the rotor position for the current stepper motor that encoder 220 obtains
It sets, and there are deviations for the rotor-position of stepper motor M obtained according to the umber of pulse of drive signal.At this point, the shifting of calibration object 10
Dynamic distance and the displacement distance of calibration object 10 is obtained according to the frequency and umber of pulse of drive signal there is also deviations.Encoder 220
The location information of current stepper motor can be fed back to main control module 30, so that arteries and veins of the main control module 30 by adjusting drive signal
Rush it is several stepper motor is adjusted, to demarcate object 10 displacement distance calibrate.Thus, it is ensured that calibration object movement
Distance accuracy, so that it is guaranteed that the accuracy for the result tested the performance of radar system.
Further, control module 30 can pass through vehicle-mounted OBD interfaces (vehicle-mounted CAN bus) real-time reception trailer-mounted radar system
It unites to the detection information for demarcating object, wherein Vehicular radar system may include whether to detect mark to the detection information for demarcating object 10
The information such as the distance between earnest 10, the calibration object 10 detected and Vehicular radar system.
In one embodiment of the invention, as shown in fig. 6, the test device 1 of Vehicular radar system further includes storage mould
Block 70, wherein memory module 70 can be used for storing displacement distance and detection information.
Specifically, memory module 70 may include SD card and deck.When calibration object is moved to a certain position, and main control module 30
After being calibrated to its displacement distance by adjusting drive signal, main control module 30 can read calibration object 10 by CAN interface
Moving distance information and Vehicular radar system detection information, and memory module 30 can be stored it in by SDIO interfaces
In the SD card of middle setting.Further, main control module 30 can be according to the spy of the displacement distance and Vehicular radar system of calibration object 10
Measurement information tests the performance of radar system.Wherein, the performance of radar system may include Vehicular radar system distance measurement
Accuracy and/or Vehicular radar system blind area.That is, main control module 30 can be believed according to the displacement distance of calibration object 10
The detection information of breath and Vehicular radar system is to the accuracy of Vehicular radar system distance measurement, the blind area of Vehicular radar system,
Or the accuracy of Vehicular radar system distance measurement and the blind area of Vehicular radar system are tested.
In one embodiment of the invention, as shown in fig. 6, the test device 1 of Vehicular radar system further includes alarm mould
Block 80, alarm module 80 can be used for the test result alert according to the performance of radar system.
Specifically, various forms of alarms can be sent out by alarm module 80 to prompt tester currently to vehicle-mounted thunder
Up to the test result of system performance, in order to which tester carries out real-time confirmation.
In one particular embodiment of the present invention, Vehicular radar system in its detectable range can real-time detection have
Occur without calibration object 10.When the test device 1 of Vehicular radar system persistently moves in range A, and Vehicular radar system can be real
When detecting the mobile message for the calibration object 10 being arranged in the test device 1 of Vehicular radar system, Vehicular radar system can will
The information is converted into corresponding signal and is communicated with main control module 30.Main control module 30 can determine whether after receiving the information,
Calibration object 10 can be detected in range A by Vehicular radar system, and main control module 30 can be using range A as Vehicular radar system
The test result of detectable range shown by display module 40.Meanwhile alarm module 80 can be interrupted by buzzer
The alarm for sending out to property " ticking ", so that tester can recognize that Vehicular radar system can be to the mark in range A in time
The information that earnest is detected, and confirmed in real time.Meanwhile main control module 30 can be according to the displacement distance of calibration object 10, vehicle
The calibration object 10 and trailer-mounted radar system that the mobile route for the calibration object 10 that load radar system detects and current time are detected
The detection informations such as the distance between calibration object 10 and Vehicular radar system that the distance between system and previous moment detect determine
The accuracy of radar system distance measurement.When demarcate object 10 move a certain distance reach target location after, the target location with
The distance between Vehicular radar system, the difference of the calibration object 10 and the distance between Vehicular radar system that are detected with current time
It is worth smaller, the accuracy of radar system distance measurement is higher.
When the test device 1 of Vehicular radar system persistently moves in range B, and Vehicular radar system is not all visited always
When measuring the calibration object 10 being arranged in the test device 1 of Vehicular radar system, Vehicular radar system can be sent out about it in range B
The interior information that can not detect calibration object 10, main control module 30 can determine whether that range B is Vehicular radar system after receiving the information
Blind area, and shown by display module 40 using range B as the test result of the blind area of Vehicular radar system.Meanwhile
Alarm module 80 can uninterruptedly send out the alarm of " ticking " by buzzer, so that tester can understand in time
The information that the calibration object 10 in range B cannot be detected to Vehicular radar system, and confirmed in real time.
The test device of Vehicular radar system according to the ... of the embodiment of the present invention drives calibration object movement by driving equipment,
It is connected with driving equipment by main control module, and is communicated with Vehicular radar system, and driving letter is sent to driving equipment
Number, and the displacement distance of calibration object is obtained, and receive detection information of the Vehicular radar system to calibration object.Thereby, it is possible to sides
Just efficiently the performance of radar system is tested.
Corresponding above-described embodiment, the present invention propose a kind of test method of Vehicular radar system.
As shown in fig. 7, the test method of the Vehicular radar system of the embodiment of the present invention, includes the following steps：
S1 sends drive signal to driving equipment, to drive calibration object movement by driving equipment.
In one embodiment of the invention, the test device of Vehicular radar system may include display module, display module
It can be used for showing the working condition of the test device of Vehicular radar system.
Further, the test device of Vehicular radar system may also include operation module, and main control module can be by operating mould
Block receives user instructions, and can generate drive signal according to user instruction.
It in one embodiment of the invention, can be integrally disposed for touching display screen by operation module and display module.With
Family can input corresponding user instruction by touching display screen.The UART interface of main control module can be received by RS232 serial ports should
User instruction, and processing is analyzed it, to generate corresponding drive signal, and the real-time response state of main control module can lead to
Touching display screen is crossed to show.
In one embodiment of the invention, the test device of Vehicular radar system may include moveable platform, demarcate object
It is arranged on moveable platform, driving equipment may include：Stepper motor, transmission mechanism.
Wherein, stepper motor according to drive signal for operating, wherein drive signal can be pulse signal.Transmission mechanism
For when stepper motor operates, the power of stepper motor to be passed to moveable platform, with by driving moveable platform to move
It is dynamic to drive calibration object.
Specifically, main control module can export the drive of the stepper motor in corresponding drive signal to driving equipment by I/O interface
Dynamic device, is operated with Driving Stepping Motor.
In one particular embodiment of the present invention, as shown in figure 4, moveable platform and driving equipment may be configured as one
Dilly.Stepper motor by drive the transmission gear being arranged on its axis operate, can drive be arranged on moveable platform with
The driving gear operation of transmission gear connection, to drive the vehicle wheel rotation being arranged on moveable platform, drive moveable platform into
Row movement, so as to drive the calibration object being arranged on moveable platform to move.
Wherein, it can be demarcate bar that the calibration object on moveable platform, which is arranged,.In one embodiment of the invention, it demarcates
Bar can be PVC material, and the length of demarcate bar can be 1000mm, and the diameter of demarcate bar can be 75mm.
S2 obtains the displacement distance of calibration object.
In one embodiment of the invention, main control module can obtain calibration object according to the frequency and umber of pulse of drive signal
Displacement distance.
Specifically, in the case of stepper motor normal operation, when rotating speed, the stepper motor M of stepper motor stop operating
The location of rotor depends on the frequency and umber of pulse of drive signal.When stepper motor driver receives drive signal,
Can Driving Stepping Motor gradually rotated with fixed angle by the rotation direction of setting, i.e., gradually turned with step angle
It is dynamic, and the angular displacement of stepper motor can be controlled by the umber of pulse of drive signal, and the frequency control of drive signal can be passed through
The speed and acceleration of stepper motor processed.
There is corresponding relationships at a distance from calibration object movement for the angular displacement of stepper motor.According to the arteries and veins of drive signal
The angular displacement and rotating speed of stepper motor can be obtained respectively by rushing number, frequency, accordingly, can obtain the displacement distance of calibration object.
In one embodiment of the invention, driving equipment further includes encoder, and encoder corresponds to stepper motor setting, compiles
Location information of the code device for feeding back stepper motor to main control module in real time, wherein main control module is additionally operable to according to stepper motor
Location information drive signal is adjusted, with to demarcate object displacement distance calibrate.
When stepper motor is operated according to certain frequency and the drive signal of umber of pulse, and drive calibration object movement it is certain away from
From when, encoder can obtain the angular displacement of stepper motor in real time, to obtain the rotor-position of stepper motor, and be translated into
Electric signal, with Real-time Feedback to main control module.
When there is phenomena such as losing step in stepper motor, by encoder obtain current stepper motor rotor-position, with
According to the rotor-position of the stepper motor of the umber of pulse of drive signal acquisition, there are deviations.At this point, calibration object displacement distance with
According to the displacement distance of the frequency of drive signal and umber of pulse acquisition calibration object, there is also deviations.Encoder can be by current stepping electricity
The location information of machine feeds back to main control module, so that main control module carries out stepper motor by adjusting the umber of pulse of drive signal
Adjustment, to be calibrated to the displacement distance for demarcating object.Thus, it is ensured that the accuracy of the distance of calibration object movement, to
Ensure the accuracy for the result tested the performance of radar system.
S3 receives detection information of the Vehicular radar system to calibration object.
In one embodiment of the invention, control module can be real by vehicle-mounted OBD interfaces (CAN interface of control module)
When receive Vehicular radar system to demarcate object detection information, wherein Vehicular radar system to demarcate object detection information can wrap
It includes and whether detects the information such as the distance between calibration object, the calibration object detected and Vehicular radar system.
In one embodiment of the invention, the test device of Vehicular radar system further includes memory module 70, wherein is deposited
Storage module can be used for storing displacement distance and detection information.
Specifically, memory module may include SD card and deck.It is moved to a certain position when demarcating object, and main control module passes through
Adjustment drive signal its displacement distance is calibrated after, main control module can be read by CAN interface calibration object movement away from
From information and the detection information of Vehicular radar system, and the SD being arranged in memory module can be stored it in by SDIO interfaces
In card.
S4 tests the performance of radar system according to displacement distance and detection information.
Further, main control module can be according to the detection information pair of the moving distance information and Vehicular radar system of calibration object
The performance of radar system is tested.Wherein, the performance of radar system may include the accuracy of Vehicular radar system distance measurement
The blind area of Vehicular radar system and/or.That is, main control module can be according to the moving distance information and trailer-mounted radar of calibration object
The detection information of system is to the accuracy of Vehicular radar system distance measurement, the blind area of Vehicular radar system or trailer-mounted radar
The accuracy of system distance measurement and the blind area of Vehicular radar system are tested.
In one embodiment of the invention, the test device of Vehicular radar system further includes alarm module, alarm module
It can be used for the test result alert according to the performance of radar system.
Specifically, various forms of alarms can be sent out by alarm module to prompt tester currently to trailer-mounted radar
The test result of system performance, in order to which tester carries out real-time confirmation.In one particular embodiment of the present invention, vehicle-mounted
Radar system in its detectable range can real-time detection whether there is or not calibration object occur.When the test device of Vehicular radar system exists
It is persistently moved in range A, and Vehicular radar system can real-time detect the calibration being arranged in the test device of Vehicular radar system
When the mobile message of object, Vehicular radar system can convert that information into corresponding signal and be communicated with main control module.Master control
Module can determine whether that calibration object can be detected in range A by Vehicular radar system, and main control module can after receiving the information
It is shown range A as the test result of the detectable range of Vehicular radar system by display module.At this point, alarm mould
Block can send out the alarm of " ticking " by phased manner by buzzer, so that tester can recognize trailer-mounted radar system in time
The information that system can detect the calibration object in range A, and confirmed in real time.Meanwhile main control module can be according to calibration object
Displacement distance, the calibration object that the mobile route for the calibration object that Vehicular radar system detects and current time are detected with
The distance between calibration object and Vehicular radar system that the distance between Vehicular radar system and previous moment detect etc. detect
Information determines the accuracy of radar system distance measurement.After calibration object, which moves a certain distance, reaches target location, the target
The distance between position and Vehicular radar system, the distance between calibration object and Vehicular radar system for being detected with current time
Difference it is smaller, the accuracy of radar system distance measurement is higher.
When the test device of Vehicular radar system persistently moves in range B, and Vehicular radar system is not all visited always
When measuring the calibration object being arranged in the test device of Vehicular radar system, Vehicular radar system can be sent out about it in range B
The information of calibration object can not be detected, main control module can determine whether that range B is the blind area of Vehicular radar system after receiving the information,
And it is shown range B as the test result of the blind area of Vehicular radar system by display module.Meanwhile alarm module can
The alarm that " ticking " is uninterruptedly sent out by buzzer, so that tester can recognize trailer-mounted radar system in time
The information that system cannot detect the calibration object in range B, and confirmed in real time.
The state that can prompt the current Vehicular radar system of tester by various forms of alarms as a result, in order to
Tester carries out real-time confirmation.
The test method of Vehicular radar system according to the ... of the embodiment of the present invention sends drive signal, with logical to driving equipment
Device drives of overdriving demarcate object movement, and obtain the displacement distance of calibration object, and receive Vehicular radar system to demarcating object
Detection information.Thereby, it is possible to easily and efficiently test the performance of radar system.
Corresponding above-described embodiment, the present invention also propose a kind of non-transitorycomputer readable storage medium, are stored thereon with
Computer program, when the program is executed by processor, it can be achieved that the timed-shutoff for the air conditioner that the above embodiment of the present invention proposes
Machine control method.
Non-transitorycomputer readable storage medium according to the ... of the embodiment of the present invention,.By the computer for executing its storage
Program can easily and efficiently test the performance of radar system.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
Any process described otherwise above or method description are construed as in flow chart or herein, and expression includes
It is one or more for realizing custom logic function or process the step of executable instruction code module, segment or portion
Point, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown or discuss suitable
Sequence, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function, this should be of the invention
Embodiment person of ordinary skill in the field understood.
Expression or logic and/or step described otherwise above herein in flow charts, for example, being considered use
In the order list for the executable instruction for realizing logic function, may be embodied in any computer-readable medium, for
Instruction execution system, device or equipment (system of such as computer based system including processor or other can be held from instruction
The instruction fetch of row system, device or equipment and the system executed instruction) it uses, or combine these instruction execution systems, device or set
It is standby and use.For the purpose of this specification, " computer-readable medium " can any can be included, store, communicating, propagating or passing
Defeated program is for instruction execution system, device or equipment or the dress used in conjunction with these instruction execution systems, device or equipment
It sets.The more specific example (non-exhaustive list) of computer-readable medium includes following：Electricity with one or more wiring
Interconnecting piece (electronic device), portable computer diskette box (magnetic device), random access memory (RAM), read-only memory
(ROM), erasable edit read-only storage (EPROM or flash memory), fiber device and portable optic disk is read-only deposits
Reservoir (CDROM).In addition, computer-readable medium can even is that the paper that can print described program on it or other are suitable
Medium, because can be for example by carrying out optical scanner to paper or other media, then into edlin, interpretation or when necessary with it
His suitable method is handled electronically to obtain described program, is then stored in computer storage.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.Such as, if realized in another embodiment with hardware, following skill well known in the art can be used
Any one of art or their combination are realized：With for data-signal realize logic function logic gates from
Logic circuit is dissipated, the application-specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), scene can compile
Journey gate array (FPGA) etc..
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it can also
That each unit physically exists alone, can also two or more units be integrated in a module.Above-mentioned integrated mould
The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and when sold or used as an independent product, can also be stored in a computer
In read/write memory medium.
Storage medium mentioned above can be read-only memory, disk or CD etc..Although having been shown and retouching above
The embodiment of the present invention is stated, it is to be understood that above-described embodiment is exemplary, and should not be understood as the limit to the present invention
System, those skilled in the art can be changed above-described embodiment, change, replace and become within the scope of the invention
Type.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (11)
1. a kind of test device of Vehicular radar system, which is characterized in that including：
Demarcate object；
Driving equipment, the driving equipment are used to drive the calibration object to move according to drive signal；
Main control module, the main control module are connected with the driving equipment, and are communicated with the Vehicular radar system, described
Main control module is used to send the drive signal to the driving equipment, and obtains the displacement distance of the calibration object, Yi Jijie
Detection information of the Vehicular radar system to the calibration object is received, and according to the displacement distance and the detection information to institute
The performance for stating radar system is tested.
2. the test device of Vehicular radar system according to claim 1, which is characterized in that the performance of the radar system
The blind area of accuracy and/or the Vehicular radar system including the Vehicular radar system distance measurement.
3. the test device of Vehicular radar system according to claim 1 or 2, which is characterized in that further include removable flat
Platform, the calibration object are arranged on the moveable platform, and the driving equipment includes：
Stepper motor, the stepper motor are used to be operated according to the drive signal；
Transmission mechanism, the transmission mechanism are used for when the stepper motor operates, the power of the stepper motor are passed to
The moveable platform, with by driving the moveable platform movement to drive the calibration object.
4. the test device of Vehicular radar system according to claim 3, which is characterized in that the main control module is according to institute
It states the frequency of drive signal and umber of pulse obtains the displacement distance for demarcating object.
5. the test device of Vehicular radar system according to claim 4, which is characterized in that the driving equipment further includes
Encoder, the encoder correspond to the stepper motor setting, and the encoder to the main control module for feeding back institute in real time
State the location information of stepper motor, wherein the main control module be additionally operable to according to the positional information to the drive signal into
Row adjustment is calibrated with the displacement distance to the calibration object.
6. the test device of Vehicular radar system according to claim 1 or 2, which is characterized in that further include：
Memory module, the memory module is for storing the displacement distance and the detection information.
7. the test device of Vehicular radar system according to claim 1 or 2, which is characterized in that further include：
Alarm module, the alarm module are used for the test result alert of the performance according to the radar system.
8. the test device of Vehicular radar system according to claim 1 or 2, which is characterized in that further include：
Operation module, the main control module are received user instructions by the operation module, and are generated according to the user instruction
The drive signal.
9. the test device of Vehicular radar system according to claim 1 or 2, which is characterized in that further include：
Display module, working condition of the display module for the test device of the Vehicular radar system are shown.
10. a kind of test method of Vehicular radar system, which is characterized in that include the following steps：
Drive signal is sent to driving equipment, to drive calibration object movement by the driving equipment；
Obtain the displacement distance of the calibration object；
Receive detection information of the Vehicular radar system to the calibration object；
The performance of the radar system is tested according to the displacement distance and the detection information.
11. a kind of non-transitorycomputer readable storage medium, is stored thereon with computer program, which is characterized in that the program
The test method of Vehicular radar system according to claim 10 is realized when being executed by processor.
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| CN201810329131.2A CN108594189A (en) | 2018-04-13 | 2018-04-13 | Test device, the method for Vehicular radar system |
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| CN201810329131.2A CN108594189A (en) | 2018-04-13 | 2018-04-13 | Test device, the method for Vehicular radar system |
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| CN109738874A (en) * | 2019-01-14 | 2019-05-10 | 辽宁工业大学 | A kind of trailer-mounted radar test device and its control method |
| CN112462353A (en) * | 2020-11-26 | 2021-03-09 | 中国第一汽车股份有限公司 | Test method, device, system and equipment of ultrasonic radar |
| CN113219419A (en) * | 2020-02-04 | 2021-08-06 | 华为技术有限公司 | Radar performance testing device and system |
| CN117491959A (en) * | 2024-01-02 | 2024-02-02 | 精华隆智慧感知科技（深圳）股份有限公司 | Test system and test method for radar products |
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